3215061 has 6 divisors (see below), whose sum is σ = 4643990. Its totient is φ = 2143368.

The previous prime is 3215039. The next prime is 3215071. The reversal of 3215061 is 1605123.

3215061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2954961 + 260100 = 1719^2 + 510^2 .

It is not a de Polignac number, because 3215061 - 2⁶ = 3214997 is a prime.

It is a Duffinian number.

3215061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178606 + ... + 178623.

Almost surely, 2^3215061 is an apocalyptic number.

It is an amenable number.

3215061 is a deficient number, since it is larger than the sum of its proper divisors (1428929).

3215061 is a wasteful number, since it uses less digits than its factorization.

3215061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357235 (or 357232 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 3215061 is about 1793.0591178207. The cubic root of 3215061 is about 147.5920865169.

The spelling of 3215061 in words is "three million, two hundred fifteen thousand, sixty-one".